Network Engineer
Job Location:
Johannesburg - South Africa
Monthly Salary:
Posted:
Application Deadline:
Vacancies:
Job Summary
Salary: R50000 R55000 CTC per month ( standby allowance)
Working Conditions: On-site role within a 24/7 high-availability operations environment. Standard working hours with rotational standby/on-call duties (P1/P2 support) including weekends and public holidays. Exposure to critical incident response and after-hours support is required.
A leading BPO organisation operating multi-site high-availability IT infrastructure environments currently expanding and modernising its network and data centre capability.
Senior Network Engineer responsible for the design implementation and support of enterprise network infrastructure across multi-site environments. The role ensures high availability security and performance across all production systems working closely with Systems Engineering and reporting directly to the CTO. This is a hands-on operational role in a 24/7 environment requiring strong technical depth problem-solving ability under pressure and excellent communication with both technical and non-technical stakeholders.
- Design and implement enterprise network architecture (LAN/WAN)
- VLAN design segmentation and inter-VLAN routing (802.1Q)
- OSPF routing configuration optimisation and troubleshooting
- Configure and manage Fortigate firewalls (VPN NAT IPS/IDS policies HA)
- Administer Ruijie and HP/Aruba switching environments (LACP STP QoS stacking)
- Maintain network uptime performance and availability targets (99.99%)
- Monitor network infrastructure and proactively resolve performance issues
- Perform root cause analysis (RCA) on network incidents
- Support security controls including ACLs segmentation and zero-trust principles
- Participate in 24/7 standby/on-call rotation
- Manage ISP and vendor relationships and escalations
- Support network expansions migrations and upgrades
- Maintain network documentation diagrams IPAM and configuration records
- Ensure change management compliance (RFC/CAB processes)
- Conduct capacity planning and performance forecasting
- 56 years Network Engineering experience in enterprise environments
- Minimum 2 years in a BPO / shared services environment
- Strong experience in 24/7 operational environments with standby duties
- Hands-on experience with VLANs OSPF routing and switching
- Strong Fortigate firewall administration experience
- Experience with HP/Aruba or Ruijie switching environments
- Understanding of network security controls and segmentation
- Exposure to compliance environments (ISO 27001 / SOC 2 / PCI-DSS)
- TCP/IP VLANs OSPF STP/RSTP LACP QoS
- VPN technologies (IPSec / SSL VPN)
- Firewalling (Fortigate preferred)
- Switching (HP/Aruba Ruijie)
- Network monitoring tools (PRTG SolarWinds Zabbix or similar)
- Packet analysis (Wireshark)
- IP addressing and IPAM tools
- Change/configuration management tools
- CCNA (required or equivalent)
- CCNP (advantageous)
- Fortinet NSE 4/5 (advantageous)
- ITIL Foundation
- CompTIA Network
- Strong analytical and troubleshooting ability under pressure
- Clear communicator (able to engage non-technical stakeholders)
- Strong collaboration across IT teams and vendors
- High accountability and ownership mindset
- Ability to mentor junior technical staff
- Professional conduct in client and audit environments
- On-site role within a 24/7 operations environment
- Rotational standby/on-call (P1/P2 incidents)
- Extended hours during incidents upgrades or maintenance windows
- Physical work required (rack & stack cabling onsite deployments)
- Occasional travel between sites/data centres
- Reports directly to Chief Technology Officer (CTO)
- Works closely with Systems Engineers Security Team Helpdesk Cloud/Infrastructure teams
- Mentorship of junior network/IT staff required
Required Experience:
IC
About Company
Believe Resourcing offers professional, personalised talent & recruitment services, from full process outsourcing to tech talent outsourcing.
